468324226818 has 90 divisors (see below), whose sum is σ = 1220881621113. Its totient is φ = 133789501440.

The previous prime is 468324226789. The next prime is 468324226819. The reversal of 468324226818 is 818622423864.

468324226818 is a `hidden beast` number, since 46 + 8 + 324 + 2 + 268 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 448569081009 + 19755145809 = 669753^2 + 140553^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=483903.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (468324226819) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 60967938 + ... + 60975618.

Almost surely, 2^468324226818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 468324226818

468324226818 is an abundant number, since it is smaller than the sum of its proper divisors (752557394295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

468324226818 is an frugal number, since it uses more digits than its factorization.

468324226818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390 (or 7693 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 54.

The spelling of 468324226818 in words is "four hundred sixty-eight billion, three hundred twenty-four million, two hundred twenty-six thousand, eight hundred eighteen".